RACGAP1 and neoplasm: it is upregulated in patient samplesit is associated with larger tumor size, advanced clinical stage, abnormal AFP level, and shorter survival timeRACGAP1P regulates the development of malignant characteristics of cells, including cell growth and migrationRACGAP1P acts as a ceRNA and reduces miR-15-5p leading to the upregulation of RACGAP1 and the activation of RhoA/ERK signaling